(19)
(11) EP 0 393 085 A1

(12)

(43) Date of publication:
24.10.1990 Bulletin 1990/43

(21) Application number: 88909885.0

(22) Date of filing: 19.08.1988
(51) International Patent Classification (IPC): 
G01C 19/ 64( . )
H01S 3/ 083( . )
G01C 19/ 66( . )
(86) International application number:
PCT/US1988/002867
(87) International publication number:
WO 1989/001605 (23.02.1989 Gazette 1989/05)
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 21.08.1987 US 19870088079

(71) Applicant: Litton Systems, Inc.
Beverly Hills California 90210-9990 (US)

(72) Inventor:
  • FRIDRIC, Bernard, G.
    Woodland Hills, CA 91367 (US)

(74) Representative: Godsill, John Kenneth 
Hazlitt House 28 Southampton Buildings, Chancery Lane
London, WC2A 1AT
London, WC2A 1AT (GB)

   


(54) RING LASER GYRO FRAME DESIGN RESISTANT TO THERMAL GRADIENT EFFECTS